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Free standard shipping on orders over $200 in the US Interstates.
Estimated to be shipped in 48 hours.
Other Market please contact us for details.We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
The Standard for Professional Surface Prep
"For concrete floor contractors, the challenge is finding a tool that removes material aggressively without leaving deep gouges. At Supreme Diamond Tools, we engineered the CSDR Double Row Series with a high diamond concentration and a 5mm segment thickness. This configuration provides more contact points than a single-row wheel, ensuring a much smoother finish while still having the 'bite' to strip epoxy and level uneven slabs."
— The Supreme Diamond Technical Team
The Supreme Professional Double Row Diamond Cup Wheel is an industrial-grade tool designed for heavy-duty grinding, shaping, and surface preparation. Whether you are leveling a concrete floor, smoothing masonry joints, or removing stubborn coatings, these wheels deliver a superior balance of cutting speed and long-term durability.
| Code No. | Diameter | Arbor / Thread | Segment Thickness |
|---|---|---|---|
| CW-DR4/P | 4" (100mm) | 5/8"-11 Threaded | 5mm |
| CW-DR4.5/P | 4.5" (115mm) | 5/8"-11 Threaded | 5mm |
| CW-DR5/P | 5" (125mm) | 5/8"-11 Threaded | 5mm |
| CW-DR7/P | 7" (180mm) | 5/8"-11 Threaded | 5mm |
Coating Removal: When stripping epoxy or thick paint, move the grinder in a consistent circular motion. If the wheel begins to "load up" (clog) with melted coating, run it briefly over a scrap piece of concrete or a concrete block to clean the diamond segments. For maximum life, use a dust shroud with a vacuum system—this keeps the segments cool and prevents the abrasive dust from re-grinding the tool.
Concrete Floor Leveling | Epoxy, Glue & Mastic Removal | Masonry Smoothing | Edge Blending & Shaping | Stone Finishing | Surface Preparation for New Overlays
Q: Single Row vs. Double Row: Which should I choose?
A: Single row wheels are slightly more aggressive for rapid bulk removal. However, Double Row wheels are the preferred choice for 90% of contractors because they provide a much smoother finish, reducing the time spent on secondary sanding or polishing steps.
Q: Can I use this double row cup wheel for wet grinding?
A: Yes. While these are optimized for dry grinding in concrete and masonry, using water will keep the segments cool, suppress dust, and significantly extend the lifespan of the tool.
📦 Bulk Procurement & Contractor Supply: Supreme Diamond Tools supports flooring contractors and industrial supply houses worldwide. For volume tiered pricing, OEM private labeling, or international shipping from our Tianjin and Zhejiang logistics centers, please contact our technical sales division.
Choosing the wrong bond or segment type can cost you time and profit. Read our Surface Prep 101 Masterclass to learn the science of tool selection, concrete hardness testing, and cost-per-square-foot optimization.
Read the Selection Guide →
B2B & Fleet Supply: With 20+ years of diamond tool expertise, we support large-scale industrial projects.
Request a Bulk Quote for Professional Pricing →
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
It’s tough, fast, smooth, and makes even the hardest grinding jobs feel manageable. I’ve already recommended it to my buddy who does commercial tile work, and he’s hooked too. Five stars all the way—this is the only cup wheel I’ll ever buy again.
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